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The following page has been changed by NigelDaley: http://wiki.apache.org/hadoop/DevelopmentCommandLineOptions ------------------------------------------------------------------------------ - '''This page is stale and not maintained. Please refer http://hadoop.apache.org/core/docs/current/commands_manual.html''' + '''This page has moved to [http://hadoop.apache.org/core/docs/current/commands_manual.html]''' - = Command Line Options of bin/hadoop = - - See each entry for datails of the command arguments and options. - - ||'''Command'''||'''Function'''|| - ||["hadoop-0.1-dev/bin/hadoop namenode"]||run the DFS Name Node.|| - ||["hadoop-0.1-dev/bin/hadoop datanode"]||run a DFS Data Node.|| - ||["hadoop-0.1-dev/bin/hadoop dfs"]||run a DFS admin client.|| - ||["hadoop-0.1-dev/bin/hadoop distcp"]||run a map-reduce job to copy data to and from dfs.|| - ||["hadoop-0.1-dev/bin/hadoop jobtracker"]||run the !MapReduce Job Tracker node.|| - ||["hadoop-0.1-dev/bin/hadoop tasktracker"]||run a !MapReduce Task Tracker node.|| - ||["hadoop-0.1-dev/bin/hadoop job"]||manipulate !MapReduce jobs.|| - ||["hadoop-0.1-dev/bin/hadoop jar"]||run a jar file.|| - ||["hadoop-0.1-dev/bin/hadoop CLASSNAME"]||run the class named CLASSNAME.|| - ||'''Command'''||'''Function'''|| - - - = Hadoop Generic Options = - - Hadoop has an option parsing framework that employs parsing generic options as well as running classes. Hadoop generic arguments are : - - {{{-conf <configuration file>}}} : specify an application configuration file - - {{{-D <property=value>}}} : use value for given property - - {{{-fs <local|namenode:port>}}} : specify a namenode {{{local}}} means use the local file system as your DFS, {{{<namenode:port>}}} specifies a particular name node to contact. - - {{{-jt <local|jobtracker:port>}}} : specify a job tracker - - The general command line syntax is - - {{{bin/hadoop command [genericOptions] [commandOptions]}}} - - - dfs, distcp and job targets accept these generic options. -
